99923023 has 2 divisors, whose sum is σ = 99923024. Its totient is φ = 99923022.

The previous prime is 99922997. The next prime is 99923039. The reversal of 99923023 is 32032999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99923023 is a prime.

It is a super-2 number, since 2×99923023² = 19969221050917058, which contains 22 as substring.

It is equal to p_5757247 and since 99923023 and 5757247 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99924023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49961511 + 49961512.

It is an arithmetic number, because the mean of its divisors is an integer number (49961512).

Almost surely, 2^99923023 is an apocalyptic number.

99923023 is a deficient number, since it is larger than the sum of its proper divisors (1).

99923023 is an equidigital number, since it uses as much as digits as its factorization.

99923023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 99923023 is about 9996.1504090325. The cubic root of 99923023 is about 464.0397542608.

The spelling of 99923023 in words is "ninety-nine million, nine hundred twenty-three thousand, twenty-three".